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Country: Switzerland
Region: Upper Engadine
Varve Category: clastic varves
Archive Type: lacustrine sediments
Lake Type: proglacial lake
Maximum Depth: 78
Catchment Area: 129
Surface Area: 3.1
Elevation: 1791
DOI / Reference Link: Access Link
Reference: Ohlendorf C., Niessen F. and Weissert F. 1997. Glacial varve thickness and 127 years of instrumental climate data: a comparison. Climatic Change 36: 391-411.
Picture Authors: Christian Ohlendorf
varve layers

Description: Clastic (minerogenic) varves formed by a discontinuous (highly seasonal) supply of suspended sediments, in this case glacial melt-water streams. The varves consist of laminae composed of coarse particles (sand, silt = summer layer) and fine-grained clay deposited in winter (photography of split core surface, tick marks in millimeter).
Picture Type: macroscopic